<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>跃动的文字</title>
    <style>
      @import url("https://fonts.googleapis.com/css?family=Baloo+Bhaijaan&display=swap");
      body {
        display: flex;
        height: 100vh;
        justify-content: center;
        align-items: center;
        text-align: center;
        background: #2980b9;
      }

      .loading {
        display: flex;
        color: white;
        font-size: 5em;
        font-family: "Baloo Bhaijaan", cursive;
        text-transform: uppercase;
      }
      .loading span {
        text-shadow: 0 1px #bbb, 0 2px #bbb, 0 3px #bbb, 0 4px #bbb, 0 5px #bbb,
          0 6px transparent, 0 7px transparent, 0 8px transparent,
          0 9px transparent, 0 10px 10px rgba(0, 0, 0, 0.4);
        transform: translateY(20px);
        animation: bounce 0.3s ease infinite alternate;
      }

      @keyframes bounce {
        to {
          text-shadow: 0 1px #bbb, 0 2px #bbb, 0 3px #bbb, 0 4px #bbb,
            0 5px #bbb, 0 6px #bbb, 0 7px #bbb, 0 8px #bbb, 0 9px #bbb,
            0 50px 25px rgba(0, 0, 0, 0.2);
          transform: translateY(-20px);
        }
      }
    </style>
  </head>
  <body>
    <!-- <div class="loading">战场小包</div> -->
    <div class="loading">loading</div>
    <script>
      let loading = document.querySelector(".loading");
      let letters = loading.textContent.split("");
      loading.textContent = "";
      letters.forEach((letter, i) => {
        let span = document.createElement("span");
        span.textContent = letter;
        span.style.animationDelay = `${i / 10}s`;
        loading.append(span);
      });
    </script>
  </body>
</html>
